London Heathrow Airport third runway U-turn ahead?
10 June 2012 Last updated at 14:00 BST
Pressure from both inside and outside government is growing for a rethink on aviation policy which opposes a third runway at London's Heathrow Airport.
Susana Mendonça spoke to former Conservative Environment Minister Tim Yeo, Aviation Minister Theresa Villiers, and Zac Goldsmith, the Tory MP for Richmond Park & North Kingston who has threatened to stand down if it goes ahead.
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